Home / 20,522,463.51-30,722,323.19-12,410,890.23

Finding the Fourth Proportional to 20,522,463.51, 30,722,323.19 and 12,410,890.23

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Solution

The fourth proportional to 20,522,463.51, 30,722,323.19 and 12,410,890.23 is: 18,579,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522,463.51 : 30,722,323.19 = 12,410,890.23 : x
  2. Step 2: Convert to fraction form
    20,522,463.51/30,722,323.19 = 12,410,890.23/x
  3. Step 3: Cross multiply
    20,522,463.51x = 30,722,323.19 × 12,410,890.23
  4. Step 4: Simplify right side
    20,522,463.51x = 381,291,380,659,619
  5. Step 5: Solve for x
    x = 381,291,380,659,619/20,522,463.51
  6. Step 6: Final answer
    x = 18,579,220.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.